(1) Having worked in this profession (type of work) continuously for more than 3 years (including 3 years) after obtaining the professional qualification certificate of technician.
(2) Those who have obtained junior college, undergraduate, master's and doctoral degrees have worked in this major (type of work) for 15 years, 14 years, 165 years, 438+0 years and more than 9 years respectively. (Calculation of review time during school study)
(3) Those who have been engaged in this occupation (type of work) for more than 3 years in the production line after obtaining intermediate professional and technical positions.
(4) graduates with other academic qualifications have been engaged in this occupation for more than 20 years.